diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2009-04-07 11:15:40 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 11:15:40 +0200 |
| commit | 5e34437840d33554f69380584311743b39e8fbeb (patch) | |
| tree | e081135619ee146af5efb9ee883afca950df5757 /lib/bitmap.c | |
| parent | softlockup: make DETECT_HUNG_TASK default depend on DETECT_SOFTLOCKUP (diff) | |
| parent | NFS: Fix a double free in nfs_parse_mount_options() (diff) | |
| download | linux-dev-5e34437840d33554f69380584311743b39e8fbeb.tar.xz linux-dev-5e34437840d33554f69380584311743b39e8fbeb.zip | |
Merge branch 'linus' into core/softlockup
Conflicts:
kernel/sysctl.c
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 1338469ac849..35a1f7ff4149 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -948,15 +948,15 @@ done: */ int bitmap_find_free_region(unsigned long *bitmap, int bits, int order) { - int pos; /* scans bitmap by regions of size order */ + int pos, end; /* scans bitmap by regions of size order */ - for (pos = 0; pos < bits; pos += (1 << order)) - if (__reg_op(bitmap, pos, order, REG_OP_ISFREE)) - break; - if (pos == bits) - return -ENOMEM; - __reg_op(bitmap, pos, order, REG_OP_ALLOC); - return pos; + for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) { + if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE)) + continue; + __reg_op(bitmap, pos, order, REG_OP_ALLOC); + return pos; + } + return -ENOMEM; } EXPORT_SYMBOL(bitmap_find_free_region); |